common/rpcsvc/sm_inter.x

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
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 */
%/*
% * Copyright (c) 1986, 1994 by Sun Microsystems, Inc.
% * All rights reserved.
% */

%/* from sm_inter.x */

/*
 * Status monitor protocol specification
 */

program SM_PROG {
    version SM_VERS  {
        /* res_stat = stat_succ if status monitor agrees to monitor */
        /* res_stat = stat_fail if status monitor cannot monitor */
        /* if res_stat == stat_succ, state = state number of site */
                /* sm_name */
        struct sm_stat_res  SM_STAT(struct sm_name) = 1;

        /* res_stat = stat_succ if status monitor agrees to monitor */
        /* res_stat = stat_fail if status monitor cannot monitor */
        /* stat consists of state number of local site */
        struct sm_stat_res  SM_MON(struct mon) = 2;

        /* stat consists of state number of local site */
        struct sm_stat      SM_UNMON(struct mon_id) = 3;

        /* stat consists of state number of local site */
        struct sm_stat      SM_UNMON_ALL(struct my_id) = 4;

        void            SM_SIMU_CRASH(void) = 5;

        void            SM_NOTIFY(struct stat_chge) = 6;
    } = 1;
} = 100024;

const   SM_MAXSTRLEN = 1024;

struct sm_name {
    string mon_name<SM_MAXSTRLEN>;
};

struct my_id {
    string   my_name<SM_MAXSTRLEN>; /* name of the site iniates the */
                    /* monitoring request */
    int my_prog;    /* rpc program # of the requesting process */
    int my_vers;    /* rpc version # of the requesting process */
    int my_proc;    /* rpc procedure # of the requesting process */
};

struct mon_id {
    string  mon_name<SM_MAXSTRLEN>; /* name of the site to be monitored */
    struct my_id my_id;
};


struct mon{
    struct mon_id mon_id;
    opaque priv[16];    /* private information to store at monitor */
                /* for requesting process */
};


/*
 * state # of status monitor monitonically increases each time
 * status of the site changes:
 * an even number (>= 0) indicates the site is down and
 * an odd number (> 0) indicates the site is up;
 */
struct sm_stat {
    int state;      /* state # of status monitor */
};

enum sm_res {
    stat_succ = 0,      /* status monitor agrees to monitor */
    stat_fail = 1       /* status monitor cannot monitor */
};

struct sm_stat_res {
    sm_res res_stat;
    int state;
};

/*
 * structure of the status message sent by the status monitor to the
 * requesting program when a monitored site changes status.
 */
struct sm_status {
    string mon_name<SM_MAXSTRLEN>;
    int state;
    opaque priv[16];        /* stored private information */
};

/*
 * structure sent between statd's to announce a state change (e.g.,
 * reboot).
 */
struct stat_chge {
    string mon_name<SM_MAXSTRLEN>;
    int state;
};